header {
    background-image: url('https://gcore.jsdelivr.net/gh/zygame1314/zygame1314page@1.3.0/images/header-bg.jpg');
    background-size: contain;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

nav {
    background-color: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(5px);
    border-top: 4px solid var(--primary-color);
    border-bottom: 4px solid var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 10px 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 25px;
}

nav ul li a {
    color: var(--text-color);
    font-size: 18px;
    padding: 10px 15px;
    position: relative;
    transition: all 0.3s ease;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

nav ul li a:hover::after {
    transform: scaleX(1);
}

main {
    max-width: 1000px;
    margin: 50px auto;
    padding: 0 20px;
}

section {
    background-color: rgba(26, 26, 26, 0.9);
    margin-bottom: 70px;
    scroll-margin-top: 80px;
    padding: 30px;
    backdrop-filter: blur(5px);
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 10px rgba(255, 204, 0, 0.3);
}

footer {
    background-color: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(5px);
    text-align: center;
    padding: 25px 0;
    border-top: 3px solid var(--primary-color);
}

footer p {
    margin: 0;
    font-size: 14px;
}

.content-container {
    display: flex;
    justify-content: space-between;
}

.main-content {
    width: 70%;
    margin-right: 20px;
}

.sidebar {
    width: 28%;
}

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 0;
    border: 2px solid #fff;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #FF8C00;
}

::-webkit-scrollbar-track {
    background-color: #333;
    border-radius: 0;
}